What is Christianity? : Sixteen lectures delivered in the University of Berlin during the winter-term, 1899-1900 / by Adolf Harnack; tr. into English by Thomas Bailey Saunders.
- London, Williams and Norgate; New York, G. P. Putnam's Sons, 1904 (1912 printing).
x, 306 p. ; 19 cm.
- 3d and rev. ed.
- Crown theological library ; 5